add RDF prefixed output for at least the built-in vocabularies
add RDF prefixed output for at least the built-in vocabularies

this is hacked together on URIs because for some reason
Raptor doesn't give you the prefixes on a Reader. I would
like to get the prefixes from a Reader to apply directly to the Writer

uwescience/raco,uwescience/raco,uwescience/raco,uwescience/raco,uwescience/raco